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经营范围
发明名称
HOB
摘要
申请公布号
SU990444(A1)
申请公布日期
1983.01.23
申请号
SU19803007385
申请日期
1980.11.24
申请人
RADZEVICH STEPAN P,SU
发明人
RADZEVICH STEPAN P,SU
分类号
B23F21/16;(IPC1-7):B23F21/16
主分类号
B23F21/16
代理机构
代理人
主权项
地址
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